quiz

The Sun

The Sun: Facts, Structure, and Its Role in Our Solar System

1. How many stars are there in our solar system?

  • A) One
  • B) Two
  • C) Three
  • D) Infinite
A) One Explanation

2. What is the scientific term for the study of the Sun and its influence throughout the solar system?

  • A) Astrology
  • B) Heliophysics
  • C) Cosmology
  • D) Geophysics
B) Heliophysics Explanation

3. What is the Sun’s primary source of energy?

  • A) Nuclear Fusion
  • B) Chemical Reactions
  • C) Gravitational Contraction
  • D) Nuclear Fission
A) Nuclear Fusion Explanation

4. What kind of star is the Sun? 

  • A) Red Giant
  • B) White Dwarf
  • C) Yellow Dwarf
  • D) Blue Supergiant
C) Yellow Dwarf Explanation

5. How long does it take the Sun to orbit the Milky Way once?

  • A) 100-150 billion years
  • B) 225-250 million years
  • C) 400-500 million years
  • D) 700-800 million years
B) 225-250 million years Explanation

6. What is the primary state of matter in which the sun’s composition exists?

  • A) Liquid
  • B) Gas
  • C) Plasma
  • D) Solid
C) Plasma Explanation

7. What percentage of the solar system’s mass is made up of the Sun’s mass?

  • A) 90%
  • B) 99.8%
  • C) 75%
  • D) 50%
B) 99.8% Explanation

8. How much time does it take for the sunlight to travel to Earth?

  • A) 5 minutes
  • B) 8 minutes and 20 seconds
  • C) 12 minutes and 30 seconds
  • D) 1 year
B) 8 minutes and 20 seconds Explanation

9. What is the name of the Sun’s outermost atmosphere?

  • A) Photosphere
  • B) Chromosphere
  • C) Corona
  • D) Core
C) Corona Explanation

10. How long does the sun take to complete one rotation on its axis?

  • A) 15 to 25 days
  • B) 25 to 35 days
  • C) 45 to 55 days
  • D) 60 to 70 days
B) 25 to 35 days Explanation

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